Photo shows two rare beetles (Cheirotonus jansoni) recently found in Jian'ou, east China's Fujian Province for the first time. The male one has a length of 73 millimeters. The bright-colored beetle is endemic to China and has high requirements for its living environment. (Photo: China News Service/Wei Yongqing)

Photo shows two rare beetles (Cheirotonus jansoni) recently found in Jian'ou, east China's Fujian Province for the first time. The male one has a length of 73 millimeters. (Photo: China News Service/Wei Yongqing)

Photo shows a rare beetle (Cheirotonus jansoni) recently found in Jian'ou, east China's Fujian Province for the first time. (Photo: China News Service/Wei Yongqing)

Students view the two beetles before they are released to the wild in Jian'ou, east China's Fujian Province. (Photo: China News Service/Wei Yongqing)

A scientist conducts research on one of the beetles in Jian'ou, east China's Fujian Province. (Photo: China News Service/Wei Yongqing)